This is a Genuine 6.10 CTs Earth Mined Marquise Cut Diamond Ring 925 Sterling Silver with a 14K Rose Gold Overlay. No Chemical or Color added. Diamonds are subjected to High Temp. & High Pressure treatment in machines to enhance color. This process moves the atoms in the Diamond. Due to the nature of it's composition it may test as Moissanite. See slides as they are part of item description. Please ask all questions before purchasing. This ring is a Classic Stunning Solitaire! This Diamond will Sparkle and Shine Forever!